Files such as core.12762 keep appearing in the root web directory. Amount of core files appearing seems to be proportional to traffic. On average one core file per few million php requests.
Will appreciate advice on how to troubleshoot this issue, or how to disable the core dumping. As it is one error per few million requests it does not seem significant enough to spend several hours troubleshooting.
I've been seeing lots of the following error in my error_log recently, I've enabled core dumps and have managed to analyse one using gdb:
[Fri Nov 29 20:44:41.318847 2013] [core:notice] [pid 2307] AH00051: child pid 7504 exit signal Segmentation fault (11), possible coredump in /tmp/core-dump[Fri Nov 29 20:44:41.318937 2013] [core:notice] [pid 2307] AH00051: child pid 7623 exit signal Segmentation fault (11), possible coredump in /tmp/core-dump[Fri Nov 29 20:44:43.324859 2013] [core:notice] [pid 2307] AH00051: child pid 7724 exit signal Segmentation fault (11), possible coredump in /tmp/core-dump
I have enabled the backup rotation of some websites to my "Personal FTP Repository", the problem is that Plesk is unable to do it due this error:
Code:
Unable to rotate dump: The dump rotation is failed with code '121' at /usr/local/psa/admin/bin/plesk_agent_manager line 1041.
I read here [URL] .... that it should be solved but I have the version 12.0.18 Update #33, why does it persist?
I`ve found some core.xxxxx files in some directories under some of our accounts.
I think those should be a trojan, Is it right?
* Many of those files are 0bytes, But some others are about 2-3M.
And how to remove those? What should to do to have those removed successfully.
This is a part from one of those files:
Code:
^?ELF^A^A^A^@^@^@^@^@^@^@^@^@^D^@^C^@^A^@^@^@^@^@^@^
@4^@^@^@^@^@^@^@^@^@^@^@4^@ ^@U^@^@^@^@^@^@^@^D^@^@^@Ô
^@^@^@^@^@^@^@^@^@^@ö^@^@^@^@^@^@^@^@^@^@^@^@^@^@^A^@^@^@^@ ^@^@^@^P^Q^@^@^@^@^@^@^@^@^@^@@^M^@^E^@^@^@^@^P^@^@^A^@^@^@^@ ^@^@^@P^^^@^@^@$
q^Y^@^@^@^@^@�����x^^^@^@^@^@^@^@^@^@^@^@^@^@^@��^]^@^@^@^@^@����Ðx^^^@^@^@^@^@^@^@^@^@^@^@^@^@Ç�^]^@^A^@^@^@^P^@^@^@^@y^^^@^B^@^@^@^@^@^@^@$
^@^@^@^@^@^@^@(^@^@^@#^L^^^@^A^@^@^@^P^@^@^@`z^^^@^E^@^@^@^@^@^@^@^T^@^@^@^V�^]^@^A^@^@^@^P^@^@^@Üz^^^@^C^@^@^@|�^]^@^P^@^@^@+�^]^@^A^@^@^@^$
)^@^@^@^@^@^@^@^@^@^@^@^@^@^@^P^@^@^@^Ø^@^^^@^E^@^@^@P(^@^@^@^@^@^@^@^@^@^@^@^@^@^@^P^@^@^@�^@^^^@^E^@^@^@^V=^
@^@^@^@^@^@^@^@^@^@^@^@^@^@^P^$
^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^H^^^@^@^@^@^@^B
^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@t^K^^^@^A^@^@^@^P
^@^@^@�|^^^@^C^@^@^@^@^@^@^@^L$
^@^@^@Ê^�^X^@ ^�^X^@^@^@^@^@H^P^@^@��^X^@a�^X^@^@^@^@^@^@^@^@^@^@^@^@
^@^@^@^@^@^@^@^@^@!^@^@^@^H^@^@^@^X^@^@^@^H^@^@^@^A^@^@
^@�^�^X^@^D^�^X^$
^@^@^@^Z�^X^@p^X^@^@^@^@^@^Ä^@^@^@��^X^@a�^X^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^
@^@^@^C^@^@^@^G^@^@^@^P^@^@^@^@^@^@^@^�^X^@��^X^@�^X^@^@$
^@^@^@ð�^@^@^K^@^@^@^P^@^@^@^C^@^@^@�^Ö^^^@^B^@^@^@^È^B^@^@^T^@^@^@^Q^@^@^@^W^@^@^@á�^S^@^Q^@^@^@TÑ^R^@^R^@^@^@^ÐÞ^@^@^S^@^@^@^H^@^@^@���oÔ^$
�^S^@^Z�^S^@*�^S^@:�^S^@J�^S^@Z�^S^@j�^S^@z�^S^@^�^S^@^�
^S^@��^S^@��^S^@Ê�^S^@Û�^S^@í�^S^@��^S^@
�^S^@^Z�^S^@*�^S^@:�^S^@J�^S^@Z�^S^@j�^S^@z�^S^@^�^S^@^�
^S^@��^S^@��^S^@Ê�^S^@Û�^S^@í�^S^@��^S^@
�^S^@^Z�^S^@*�^S^@:�^S^@J�^S^@Z�^S^@j�^S^@z�^S^@^�^S^@^�
^S^@��^S^@��^S^@Ê�^S^@Û�^S^@í�^S^@��^S^@
�^S^@^Z�^S^@*�^S^@:�^S^@J�^S^@Z�^S^@j�^S^@z�^S^@^�^S^@^�
^S^@��^S^@��^S^@Ê�^S^@Û�^S^@í�^S^@��^S^@.
We are using cPanel on CentOS 4.5, And have clamav installed on the server.
I ran ls -la / and I saw something new that I haven't seen before, look at this result :
-rw------- 1 root root 9375744 Jun 2 14:10 core.21044
-rw------- 1 root root 9375744 Jun 2 14:11 core.21056
-rw------- 1 root root 9379840 Jun 2 14:44 core.22839
-rw------- 1 root root 9379840 Jun 2 14:56 core.22973
-rw------- 1 root root 9371648 Jun 2 14:59 core.22997
-rw------- 1 root root 9371648 Jun 2 15:02 core.23182
-rw------- 1 root root 9506816 Jun 22 05:26 core.26811
-rw------- 1 root root 9367552 Jun 18 04:20 core.27185
-rw------- 1 root root 9371648 Jun 18 04:22 core.27245
-rw------- 1 root root 9371648 Jun 18 04:23 core.27289
-rw------- 1 root root 9367552 Jun 18 04:24 core.27306
-rw------- 1 root root 9297920 Jun 15 06:39 core.420
-rw------- 1 root root 9367552 Jun 18 04:28 core.7092
I did cat one of them and I saw there's something about kernel and the rest of the file has been filled by meaningless characters
They also filled up a huge space, what are these files for?
Just noticed quite a few large Core. files within one of our websites (within a sub folder of public_html). Anyone knwo what these are and how they got there?
View 3 Replies View RelatedNow the core files for example (core.18920) files are filling the server, here is a shot
-rw------- 1 someuser somegroup 3.9M Mar 17 16:15 core.18920
all server account have that files, all users how running php files in there websites have the core.**** files and all websites quote are going to be excceded
I guess the problem from apache, i do rebuilf using whm, but the same problem
I am having problem with a server. On all sites on the server start appearing core.xxxx files that in result fill server. Quotas were disabled because some people had issues logging in on because of error.
Quote:
Sorry for the inconvenience!
The filesystem mounted at /home/*** on this server is running out of disk space. cPanel operations have been temporarily suspended to prevent something bad from happening.
Please ask your system admin to remove any files not in use on that partition.
how to remove all of them so they dont appear again, on some sites there are thousands of core.xxxx files and weigh over 60GB.
I found this files inside /home/user/public_html/forums
It's owner and group is nobody
When I try to cat and pico, all the weird thing came out
What is this files anyway? anybody can tell?
-rw------- 1 nobody nobody 25808896 Jul 9 00:06 core.9703
-rw------- 1 nobody nobody 25694208 Jul 11 11:56 core.9716
-rw------- 1 nobody nobody 25694208 Jul 11 11:56 core.9737
-rw------- 1 nobody nobody 25636864 Jul 10 01:34 core.975
-rw------- 1 nobody nobody 25870336 Jul 11 06:48 core.9758
-rw------- 1 nobody nobody 25694208 Jul 11 14:27 core.9763
-rw------- 1 nobody nobody 25632768 Jul 9 22:50 core.9786
-rw------- 1 nobody nobody 25944064 Jul 8 18:39 core.9799
-rw------- 1 nobody nobody 25870336 Jul 13 10:00 core.9802
-rw------- 1 nobody nobody 25632768 Jul 9 15:12 core.9806
-rw------- 1 nobody nobody 25694208 Jul 12 23:32 core.9809
-rw------- 1 nobody nobody 25870336 Jul 12 05:09 core.9815
-rw------- 1 nobody nobody 26005504 Jul 11 23:36 core.9816
-rw------- 1 nobody nobody 26005504 Jul 12 02:08 core.9826
-rw------- 1 nobody nobody 26005504 Jul 10 13:58 core.9833
-rw------- 1 nobody nobody 25632768 Jul 8 18:39 core.9854
-rw------- 1 nobody nobody 25632768 Jul 8 14:06 core.9865
-rw------- 1 nobody nobody 25694208 Jul 11 11:57 core.9881
-rw------- 1 nobody nobody 25870336 Jul 10 10:21 core.9901
-rw------- 1 nobody nobody 25694208 Jul 10 16:22 core.9903
-rw------- 1 nobody nobody 25694208 Jul 11 09:08 core.9913
-rw------- 1 nobody nobody 26005504 Jul 11 06:48 core.9922
-rw------- 1 nobody nobody 25632768 Jul 8 18:40 core.9927
-rw------- 1 nobody nobody 25870336 Jul 11 15:51 core.9942
-rw------- 1 nobody nobody 25694208 Jul 11 06:48 core.9946
-rw------- 1 nobody nobody 26005504 Jul 11 13:18 core.9983
-rw------- 1 nobody nobody 25944064 Jul 7 20:53 core.9989
Shall I chose the xeon quad core 2.4 GHZ or the dual core 2.66 GHZ for an adserver's database?
View 3 Replies View RelatedWhich is the better performer?
(1x) Quad Core Intel Xeon X3220 2.40GHz 2x4M Cache
OR
(2x) Dual Core AMD Opteron 2216 2.4GHz 2X1MB Cache 1Ghz HyperTransport
This is for a web/application server running, Windows 2003 Server Professional, IIS, MySQL, MSSQL 2005 Express, Plesk 8.5. The price is about the same.
quad core processor vs Intel Xeon 3060 Dual Core Conroe Processor which is better any why?
View 2 Replies View Relatedcan someone give a comparison betwen this two
Intel Quad Core Xeon X3210 vs Dual-Core 3040 Xeon
Which one you suggest for running database server and VPS's?
Dual Xeon3ghz 1mb dual core vs Quadcore 6600 2.4ghzx4 core 8mb.
I love my current host. It's fast, has excellent support, uptime is great, and I get a lot of features. I'm paying $10 a month for it, though.
I'm thinking about moving to 1&1. Is this a bad idea? I had 1&1 about a year or two ago, but canceled it because I didn't end up building the website I ordered it for. Didn't have any issues, but the cancellation process was a pain. Nothing major, though.
The thing that 1&1 has going for is it is the price. $4 a month is a darn good deal.
That's 2.5x cheaper than my current host. I could save a lot of money. I know, you get what you pay for...
So am I being stupid? I don't use a lot of bandwidth (I used 1.5GB last month, and average less than 1GB), and my website hosts my software that I sell, so a lot of downtime is obviously bad. The only thing I see that's bad about the $4/month plan is no ssh access, which is really only convenience for me (I don't require it).
I am having a hosting account with old host which is limited to 10 GB, and there i am having a mysql Database which is of 2 GB, i want to move it to new host via SSH ... as that Database can not be downloaded via phpmyadmin due to its size.
So i want to "tar" the mysql directory and ssh/scp to new host!...
I am applying this command...
tar -cvf r.tar /var/lib/mysql/in_supp | ssh user@newhost.com
But i am getting errors,
Please give me a command which can move my entire Database dump to new server, without creating any copy at old server "as i do not have any space there"
How to dump all relaying email?
I have a domain that used to have a huge members list with thousands of email addresses. Now that I enabled its web site, the server attempts to relay email meant for those harvested addresses. Also, spam relayers picked up that the DNS is live and try to use the domain to deliver spam What can I do with the MX records in order to dump all email without the server handling it? Currently all email is set to :blackhole:
This seemed like the most appropriate place so I decided to post here.
SYSTEM:
Fedora Core 4, 3GHz, 2GB RAM
Postgres 8, Apache 2, PHP 4
The issue is that I have with me a 1.5GB SQL dump from Postgres 8 which I extracted using pg_dump.
Restoring it seems to be an issue on this PC. I've tried modifying memory directives in postgresql.conf as well as the kernels SHMAX value but no go.
I tried a bunch of other things such as gzipping the file so that it was only 100mb and doing:
Code:
gunzip -c dump.sql.gz | psql my_db
But I recieved many errors saying "invalid command N" and I also got a syntax error notice and the process terminated.
I tried to at least try and enter some data manually but vim is incredibly slow since this is a 1.5GB file.
Is there a way I could perhaps split up my db dump and then import them into the db one by one?
I am trying to configure CPLinks, anyone know where can I find such category dumps or do I need to key in one by one? Tried to contact cplinks side for the dumps but no response. Do let me know if anyone had prepared such dumps.
View 1 Replies View RelatedWe are hosting our software system which do calculation and file manipulation.
Now we have Intel Core 2 Duo E6750 and would like to get Intel Core 2 Quad Q6600 to increase our system performance.
Also we have other choice, get Intel Xeon E5405 Harpertown 2.0GHz
to replace two above.
I think it is better to have one server box because one box easy to manage than two. Also Harpertown is much faster than these two together.
What is your opinion?
3i want to buy new erver and i have choice of the fallowing
AMD X4 Quad Core 9500
RAM : 4096 MB
Disk Drives: 2 X 250 GB SATA
and
Intel Quad Core Q9300 4x2.5 GHz
RAM : 2048 MB
Disk Drives: 2 X 250 GB SATA
both in the same price . so i need some advice for who are the best performance and the ideal for webhosting service.
How to import mysql dump file to database by SSH?
How to import mysql database host to other host database by SSH?
recently I had problems with backing up my ~150mb database through PHP. And I know some people are backing their databases to a dump file through terminal.
My database contains UTF-8 and other characters. I have tried simply dumping with mysqldump but I doesn't seem to work, when restoring all the characters are messed up.
Is there any command to tell that the database is UTF-8?
After successful creation of a full backup, pmm-ras hangs forever (100% CPU) while trying to export the dump to FTP. I have two identical Plesk 12.0.18 installations and this happens only on one of them.
I see the following in /opt/psa/PMM/sessions/*/.stderr:
Use of uninitialized value in numeric eq (==) at /opt/psa/admin/bin/plesk_agent_manager line 827.
How does one dump the contents of a Qmail?
That is emails that are waiting to be sent which are not going to be sent since they are bad emails so they are just stuck in the queue and are killing cpu resources, how does one tell Qmail to dump all unsent emails waiting in the queue?
how to create Dump File for Apache Crash in Windows.We are using Apache for Reverse Proxy with OpenAM Module for Sign-in.Apache Version : 2.4.9.0...We are very frequently facing Apache Crash Issue.
Also in logs we do not get much information.when submitted logs to ForgeRock, they asked us to look into below error and provide Crash Dump.
[Sun Jun 15 23:00:10.153908 2014] [mpm_winnt:warn] [pid 2376:tid 424] (OS 64)The specified network name is no longer available. : AH00341: winnt_accept: Asynchronous AcceptEx failed.
[Sun Jun 15 23:02:21.609557 2014] [proxy_http:error] [pid 2376:tid 6544] (OS 10060)A connection attempt failed because the connected party did not properly respond after a period of time, or established connection failed because connected host has failed to respond. : [client 10.XXX.XX.XX:XXXX] AH01095: prefetch request body failed to XX.XXX.XX.XX:XXX (teampark.sogeti.com) from XX.XXX.XX.XX (), referer: https://teampark.sogeti.com/blogs/roller-ui/authoring/weblog.do?method=create&weblog=VeckobrevIntegrationSyd&lang=sv_se
Beginning with today, all Backups to FTP repository failed. Even updates being started manually fail.
FTP Space is not full, there are still app. 400GB free space left.
I was also able to do a ftp upload on terminal using ftp client.
Server is accessible, credentials are right, but backup fails.
Why backup stops working after having done login.
This are the last few lines of the current psadump.log (removed server url and username):
[2014-10-24 13:38:46.754|17907] INFO: Repository 'ftps://[XXX]//as/': Initializing...
[2014-10-24 13:38:46.754|17907] INFO: Transport: Get repository transport ftps://[XXX]//as/
[2014-10-24 13:38:46.754|17907] INFO: Transport: Init credentials for user '[XXX]'
[2014-10-24 13:38:46.756|17907] INFO: Repository 'ftps://[XXX]//as/': Initialized
[2014-10-24 13:38:46.758|17907] INFO: pmm-ras finished. Exit code: 1
==============================
I have the last update (#6) but i have this message when i try to make a backup.
Error:
Runtime error: The check dump failed with code '1'. The dump can contain invalid data! at /opt/psa/admin/bin/plesk_agent_manager line 1022.
Error:
The dump have been invalidated by check-dump operation
What is this?
generate crash dumps for apache 2.4.9 at the time freeze or crash in windows environment 2008 server R2.
View 2 Replies View Relatedunder Plesk 12.0.18 PHPMyAdmin is failing to import a 3 MB SQL dump of a simple Joomla website. "Error 505 Bad Gateway", it says.It happens with other dumps too, some as small as ~500 KB. The format (SQL or ZIP) of the file uploaded doesn't seem to matter, because the upload itself seems to work; it seems it's the post-processing what is raising the error.
The funny thing is that the import itself seems to work (the contents of the SQL dump are imported), but the error message appears and causes confusion and support requests from our clients./var/log/sw-cp-server/error_log says:
2015/05/15 03:19:31 [error] 10215#0: *5 recv() failed (104: Connection reset by peer) while reading response header from upstream, client: XX.XX. XXX. XXX, server: , request: "POST /domains/databases/phpMyAdmin/import.php HTTP/1.1", upstream: "fastcgi://unix:/var/run/sw-engine.sock:", host: "xxxx. xxxxxxx.com:8443", referrer: URL.....To me it sounds like a timeout.
This seems to be a "popular" error among Plesk users, and I have tried this, this and this with no luck.